Base | Representation |
---|---|
bin | 110000111010… |
… | …100010110001 |
3 | 220010110110000 |
4 | 300322202301 |
5 | 11240311310 |
6 | 1134500213 |
7 | 213663660 |
oct | 60724261 |
9 | 26113400 |
10 | 12822705 |
11 | 7268985 |
12 | 4364669 |
13 | 286c5cc |
14 | 19badd7 |
15 | 11d44c0 |
hex | c3a8b1 |
12822705 has 40 divisors (see below), whose sum is σ = 26275392. Its totient is φ = 5860512.
The previous prime is 12822679. The next prime is 12822713. The reversal of 12822705 is 50722821.
It is not a de Polignac number, because 12822705 - 27 = 12822577 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 574 + ... + 5096.
Almost surely, 212822705 is an apocalyptic number.
12822705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12822705 is an abundant number, since it is smaller than the sum of its proper divisors (13452687).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12822705 is an equidigital number, since it uses as much as digits as its factorization.
12822705 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4547 (or 4538 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 27.
The square root of 12822705 is about 3580.8804783181. The cubic root of 12822705 is about 234.0596494876.
The spelling of 12822705 in words is "twelve million, eight hundred twenty-two thousand, seven hundred five".
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